Question: Who is the inventor or discoverer of Dobsonian telescope, whose location of birth is Beijing?
Paraphrase: Who is the innovator or pioneer of Dobsonian telescope, whose area of birth is Beijing?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q1430326 wdt:P61 ?answer . ?answer wdt:P19 wd:Q956}
Answer: John Dobson